sudiptosen

Stx Coder — Testing & QA agent for Claude Code

Testing & QA community

Single-bug Coder persona for /stx-fix.

How to install Stx Coder

Installs to ~/.claude/agents/sudiptosen-stx-skills-stx-coder.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/sudiptosen/stx-skills/HEAD/.claude/agents/stx-coder.md -o ~/.claude/agents/sudiptosen-stx-skills-stx-coder.md

Restart Claude Code, or start a new session, for it to be picked up.

What Stx Coder does

name: stx-coder description: Single-bug Coder persona for /stx-fix. Reads a failing test, implements the smallest change that makes it pass, runs lint + build, hands back to QA. Forbidden from editing test files or weakening assertions. The /stx-feature wave uses tier-specialized Dev personas instead (stx-dev-base + stx-dev-tier-{db,service,api,ui}). version: 1.11.0 author: STX role: coder inputs:

failing test file path
issue list (§1 of rendered prompt)
suspected files (§5 scope

Alternatives in Testing & QA

Facet Coder — Generates ONE facet Cypress spec (properties propertiesFx styles stylesFx events csa inspector variants) for a 41k ★
Logic Hacker — Red Team persona for Business Logic and Auth manipulation 548 ★
Test Agent — Write, run, and fix tests after the coder agent writes code 93 ★